Since the transcriber just wrote “(Math equations on chalkboards)”, I figured I’d try transcribing with unicode. This was the best I was able to do. Not quite as good as LaTeX

Left chalkboard

√613 x/y²
x̅-̅9̅5̅
⦵ 4172
π = √674J
(3x⊖²)
⁄
x² − y⁴²

Right chalkboard

x-y
⁄
√x²
61.7

I dropped out of school, so the best I could conjure in this situation would be <3